CN119629899A - Electronic equipment - Google Patents
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- CN119629899A CN119629899A CN202410122597.0A CN202410122597A CN119629899A CN 119629899 A CN119629899 A CN 119629899A CN 202410122597 A CN202410122597 A CN 202410122597A CN 119629899 A CN119629899 A CN 119629899A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
The application discloses electronic equipment, which comprises a metal frame antenna component, a metal component and a tuning component, wherein a space is reserved between the metal component and the metal frame antenna component, the tuning component comprises an equivalent device area and a plurality of welding areas, the welding areas are respectively positioned at two ends of the equivalent device area, the welding areas positioned at one end of the equivalent device area are welded on the metal frame antenna component, the welding areas positioned at the other end of the equivalent device area are welded on the metal component, and the equivalent device area and the welding areas are integrally arranged. According to the application, the welding areas are respectively arranged at the two ends of the equivalent device area, so that the tuning component can be directly welded on the metal frame antenna component and the metal component through the welding areas, the connecting structure is simple, the occupied space is small, and the miniaturization design of electronic equipment is facilitated.
Description
The application provides a divisional application of China patent application with the application number of 202311146409.X and the application name of electronic equipment, which is submitted by the national intellectual property agency on the 09 th year of 2023.
Technical Field
The application relates to the technical field of antenna structures in electronic equipment, in particular to electronic equipment.
Background
In the prior art, in order to facilitate signal transmission or reception, an antenna is generally required to be disposed in an electronic device (such as a mobile phone, a tablet, a watch, etc.), and an antenna slot (a space between two antenna components) or an antenna slot position (a space between an antenna component and a metal component) is generally provided with a component (a capacitor or an inductor) so as to tune the antenna through the component. However, the existing tuning scheme of arranging components at the positions of the slots or the slots of the antenna has large occupied space, complex electric connection form, small antenna clearance and high cost.
Disclosure of Invention
In order to overcome the problems of the prior art, the main object of the present application is to provide an electronic device which occupies a small space and is beneficial to miniaturization design.
In order to achieve the above purpose, the present application specifically adopts the following technical scheme:
the present application provides an electronic device including:
A metal bezel antenna assembly;
a metal component having a spacing from the metal bezel antenna component;
The tuning component comprises an equivalent device area and a plurality of welding areas, the welding areas are respectively positioned at two ends of the equivalent device area, the welding area positioned at one end of the equivalent device area is welded to the metal frame antenna component, and the welding area positioned at the other end of the equivalent device area is welded to the metal component;
Wherein the equivalent device region and the welding region are integrally arranged.
According to the embodiment, the welding areas are respectively arranged at the two ends of the equivalent device area, so that the tuning component can be directly welded on the metal frame antenna component and the metal component through the welding areas, the connecting structure is simple, the occupied space is small, and the miniaturized design of electronic equipment is facilitated.
In some embodiments, the bonding pad at one end of the equivalent device region is further bonded to the metal frame antenna component, and the bonding pad at the other end of the equivalent device region is further bonded to the metal component. In this embodiment, the welding area is further connected to the metal frame antenna component and the metal component by means of bonding, so that the tuning component can be more firmly connected to the metal frame antenna component and the metal component.
In some embodiments, the equivalent device region and the bonding region each include a metal layer and an oxidation resistant layer disposed in a stack, the oxidation resistant stack being disposed on a side of the metal layer facing away from the metal bezel antenna element, the metal element. In the embodiment, the oxidation-resistant layer is arranged to prevent the metal layer from being exposed to air to generate oxidation.
In some embodiments, the equivalent device region and the welding region each further comprise a stiffening layer disposed on a side of the metal layer facing the metal bezel antenna element, the metal element. The present embodiment can improve the reliability of the tuning component by providing the stiffening layer.
In some embodiments, the weld zone is provided with a weld site at which a side of the metal layer facing the oxidation resistant layer can be exposed outside the oxidation resistant layer through the weld site, and a side of the metal layer facing the reinforcing layer can be exposed outside the reinforcing layer through the weld site. According to the embodiment, the welding position is arranged in the welding area so as to enable the welding head to be bent, the welding head can extend into the welding position, the metal layer, the metal frame antenna component and the metal component are welded, and the welding effect is improved.
In some embodiments, a plurality of the soldering sites are provided, and the plurality of soldering sites are distributed at intervals along the length extension direction of the equivalent device region. According to the embodiment, the plurality of welding positions are arranged, so that the tuning part, the metal frame antenna part and the metal part are welded through the plurality of welding positions, the welding stability of the tuning part, the metal frame antenna part and the metal part is improved, and the electric connection stability of the tuning part, the metal frame antenna part and the metal part is further ensured.
In some embodiments, the reinforcing layer is adhesively attached to one side of the metal layer and the oxidation resistant layer is adhesively attached to the other side of the metal layer. In the embodiment, the reinforcing layer and the oxidation resistant layer are respectively connected to the two opposite sides of the metal layer in an adhering manner, so that the connection between the reinforcing layer and the oxidation resistant layer and the metal layer is more stable.
In some embodiments, the antioxidant layer is made of polyester film or ink, or
The metal layer is made of copper foil, aluminum foil, silver foil or gold foil, or
The material of the reinforcing layer is polyimide, polyester film or glass fiber cloth.
In some embodiments, the weld zone is welded to the metal bezel antenna component or the metal component by ultrasonic welding, spot welding, or laser staking.
In some embodiments, the equivalent device region can be equivalent to a capacitance or inductance. The resonant frequency of the antenna is adjusted by adopting capacitance or inductance, and the adjusting mode is simple.
Correspondingly, the application also provides another electronic device, which comprises:
A metal bezel antenna assembly;
a metal component having a spacing from the metal bezel antenna component;
The tuning component comprises an equivalent device area and a plurality of welding areas, the welding areas are respectively positioned at two ends of the equivalent device area, the welding area positioned at one end of the equivalent device area is welded to the metal frame antenna component, and the welding area positioned at the other end of the equivalent device area is welded to the metal component;
Wherein the tuning element comprises a silver paste layer.
According to the embodiment, the welding areas are respectively arranged at the two ends of the equivalent device area, so that the tuning component can be directly welded on the metal frame antenna component and the metal component through the welding areas, the connecting structure is simple, the occupied space is small, and the miniaturized design of electronic equipment is facilitated.
In some embodiments, the bonding pad is bonded to the metal bezel antenna component and the metal component by pad printing or plating. In the embodiment, the welding area is welded on the metal frame antenna component and the metal component in a pad printing or spray plating mode, and the process is simple.
In some embodiments, the bonding pad at one end of the equivalent device region is further bonded to the metal frame antenna component, and the bonding pad at the other end of the equivalent device region is further bonded to the metal component. In this embodiment, the welding area is further connected to the metal frame antenna component and the metal component by means of bonding, so that the tuning component can be more firmly connected to the metal frame antenna component and the metal component.
In some embodiments, the equivalent device region can be equivalent to a capacitance or inductance. The resonant frequency of the antenna is adjusted by adopting capacitance or inductance, and the adjusting mode is simple.
In some embodiments, when the equivalent device region is equivalent to an inductor, the silver paste layer of the equivalent device region is set to be a silver paste trace.
In some embodiments, the corresponding shape of the silver paste trace is formed by custom-shaped indenters, or the corresponding shape of the silver paste trace is formed by laser engraving unwanted areas in the entire silver paste layer.
In some embodiments, when the equivalent device region is equivalent to a capacitor, the tuning component further includes a dielectric layer, where the silver paste layers have multiple layers, and the dielectric layer is disposed between the silver paste layers.
Compared with the prior art, the electronic equipment comprises the metal frame antenna component, the metal component and the tuning component, wherein a space is reserved between the metal component and the metal frame antenna component, the tuning component comprises an equivalent device area and a plurality of welding areas, the welding areas are respectively positioned at two ends of the equivalent device area, the welding area positioned at one end of the equivalent device area is welded to the metal frame antenna component, the welding area positioned at the other end of the equivalent device area is welded to the metal component, and the equivalent device area and the welding areas are integrally arranged. According to the embodiment, the welding areas are respectively arranged at the two ends of the equivalent device area, so that the tuning component can be directly welded on the metal frame antenna component and the metal component through the welding areas, the connecting structure is simple, the occupied space is small, and the miniaturized design of electronic equipment is facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a tuning point and a feed point set between a middle frame and a reference ground in an electronic device provided in the prior art.
Fig. 2 is a partial cross-sectional view of an electronic device provided in the prior art.
Fig. 3 is a block diagram of a tuning device disposed between a middle frame and a battery in an electronic device according to the prior art.
Fig. 4 is a schematic diagram of a connection structure between a metal frame antenna and a flexible circuit board in an electronic device according to the prior art.
Fig. 5 is a cross-sectional view of fig. 4.
Fig. 6 is a connection structure diagram of a metal component and a tuning component in an electronic device according to an embodiment of the present application.
Fig. 7 is a cross-sectional view of fig. 6.
Fig. 8 is a top view of a tuning component in an electronic device according to an embodiment of the present application.
Fig. 9 is a cross-sectional view at A-A in fig. 8.
Fig. 10 is a sectional view at B-B in fig. 8.
Fig. 11 is a structural view of a metal layer.
Fig. 12 (a) and 12 (b) are schematic structural diagrams of equivalent device regions in a metal layer according to other embodiments of the present application.
Fig. 13 is a process of manufacturing a connection between a metal bezel antenna and a flexible circuit board in a prior art electronic device.
Fig. 14 is a connection manufacturing process of a metal component and a tuning component in an electronic device according to an embodiment of the present application.
Fig. 15 is a connection structure diagram of a metal component and a tuning component in an electronic device according to another embodiment of the present application.
Fig. 16 is a cross-sectional view of fig. 15.
Fig. 17 is a cross-sectional view illustrating connection between a metal component and a tuning component in an electronic device according to another embodiment of the present application.
Fig. 18 is a cross-sectional view illustrating connection between a metal component and a tuning component in an electronic device according to still another embodiment of the present application.
The attached drawings are identified:
1. metal frame antenna component, 2, metal component, 3, tuning component, 31, oxidation resistant layer, 32, metal layer, 33, reinforcing layer, 34, back glue, 3a, equivalent device area, 3b, welding area, 3c, welding position, 35, silver paste layer, 36, dielectric layer, 4, insulating double sided glue, 5, injection molding piece, 6, soldering head, 101, middle frame, 102, reference ground, 103, circuit board, 104, elastic piece, 105, injection molding piece, 201, battery, 202, side plate, 203, circuit board, 204, tuning device, 205, middle frame, 206, elastic piece, 301, first metal frame antenna, 301a, first connecting area, 302, second metal frame antenna, 302a, second connecting area, 303, flexible circuit board, 303a, tuning part, 303b, redundancy part, 304, connecting piece, 305, injection molding piece.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
In the description of the present application, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying any particular importance unless otherwise expressly specified or stated, the term "plurality" is intended to be broadly construed, such as "connected" or "fixed" in either a fixed or removable or integral or electrical connection, or may be directly or indirectly connected via an intervening medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.
The electronic device generally includes a battery case, a middle frame, and a screen, where the battery case and the screen are connected to two sides of the middle frame to form a receiving cavity capable of receiving a battery, a circuit board, and an electronic component, and the antenna is integrally disposed with the middle frame, so the middle frame may be generally referred to as an antenna radiator, and a tuning point and a feed point (i.e., an inductance or a capacitance is disposed between the middle frame and a reference ground of the electronic device) may be generally disposed between the middle frame 101 and the reference ground of the electronic device, so that the antenna radiator is tuned by the tuning point C and the feed point D, which is shown in fig. 1, and fig. 1 is a schematic structural diagram of the electronic device provided in the prior art. In an actual application scenario, an injection molding piece 105, a circuit board 103 and an elastic piece 104 are disposed in the middle frame 101, a tuning device is disposed on the circuit board 103, one side of the circuit board 103 is connected with the middle frame 101 through the elastic piece 104, the other side of the circuit board 103 is connected with a reference ground through the elastic piece 104 (the abutting structure of the elastic piece with the middle frame and the reference ground is not shown in fig. 2), and referring to fig. 2, fig. 2 is a partial sectional view of an electronic device provided in the prior art.
The prior art provides an electronic device, the electronic device is provided with an LB antenna C-shaped antenna, the LB antenna C-shaped antenna needs to be provided with a small inductor (0-1.5 NH) for returning to the ground, and a common scheme in the industry is that a side vertical plate is inserted into the side wall of a battery compartment to realize the antenna reflow. Specifically, referring to fig. 3, fig. 3 is a structural diagram of a tuning device disposed between a middle frame and a battery in an electronic device provided in the prior art, a certain distance is provided between a side wall of the battery 201 and the middle frame 205 (antenna radiator), a side plate 202 is disposed on the side wall of the battery 201, a circuit board 203 is disposed between the side plate 202 and the middle frame 205 (antenna radiator), a tuning device 204 is disposed on the circuit board 203, the tuning device 204 is abutted to the middle frame 205 and the side plate 202 through an elastic member 104, but the scheme of vertically inserting the side plate on the side wall of a battery compartment can squeeze the space of the battery compartment, and the electrical connection is complex, multiple switching is required, the antenna clearance is small, and the cost is high.
Referring to fig. 4 and 5, fig. 4 is a schematic diagram of a connection structure between a metal frame antenna and a flexible circuit board in an electronic device provided in the prior art, and fig. 5 is a cross-sectional view of fig. 4. The prior art also provides an electronic device, which comprises a first metal frame antenna 301, a second metal frame antenna 302, a flexible circuit board 303 and an injection molding member 305, wherein the injection molding member 305 is arranged between the first metal frame antenna 301 and the second metal frame antenna 302, the first metal frame antenna 301 is provided with a first connection area 301a, the second metal frame antenna 302 is provided with a second connection area 302a, the flexible circuit board 303 comprises a tuning part 303a and a redundancy part 303b, the redundancy part 303b is connected to the first connection area 301a through a connecting sheet 304, and the tuning part 303a is connected to the second connection area 302a through the connecting sheet 304. The antenna electric connection structure of the electronic equipment is characterized in that a flexible circuit board is welded on a spot welding reed of a structural part, then the spot welding reed is welded on a middle frame, the manufacturing process structure is complex, a plurality of factories are involved in a supply chain, and the problems of long processing period, high cost and the like are caused.
The application discloses electronic equipment, which comprises a metal frame antenna component, a metal component and a tuning component, wherein a space is reserved between the metal component and the metal frame antenna component, and injection molding parts or other non-conductive components can be arranged in the space, and can also be air media. The two ends of the tuning component are respectively and electrically connected with the metal frame antenna component and the metal component in a welding and bonding mode. The tuning component comprises an equivalent device area and a plurality of welding areas, the welding areas are respectively located at two ends of the equivalent device area, the welding areas located at one end of the equivalent device area are welded to the metal frame antenna component, the welding areas located at the other end of the equivalent device area are welded to the metal component, the tuning component comprises a metal layer and an oxidation resistant layer which are arranged in a stacked mode, or the tuning component comprises a silver paste layer, and the metal component is the metal frame antenna component or the reference ground metal component.
According to the application, the resonant frequency of the antenna radiator is regulated by the tuning component, so that the antenna can work normally, and meanwhile, the two ends of the tuning component are electrically connected with the metal frame antenna component and the metal component in a welding mode, so that the electrical connection structure of the tuning component and the metal component occupies small space, the electrical connection mode is simple, and the antenna clearance is small.
Referring to fig. 6 and 7, fig. 6 is a connection structure diagram of a metal component and a tuning component in an electronic device according to an embodiment of the present application, and fig. 7 is a cross-sectional view of fig. 6. The embodiment of the application discloses an electronic device, which comprises a metal frame antenna part 1, a metal part 2 and a tuning part 3, wherein a space is reserved between the metal part 2 and the metal frame antenna part 1, and in the embodiment, an injection molding part 5 is arranged between the metal part 2 and the metal frame antenna part 1. The tuning part 3 comprises an equivalent device area 3a and two welding areas 3b, the two welding areas 3b are respectively positioned at two ends of the equivalent device area 3a, the two welding areas 3b are respectively welded on the metal frame antenna part 1 and the metal part 2, and meanwhile, the two welding areas 3b are also adhered to the metal frame antenna part 1 and the metal part 2 through insulating double faced adhesive tape 4. That is, one of the lands 3b is welded and bonded to the metal bezel antenna part 1, and the other land 3b is welded and bonded to the metal part 2, so that the tuning part 3 is electrically connected to the metal bezel antenna 1 and the metal part 2.
According to the application, the welding areas are respectively arranged at the two ends of the equivalent device area, so that the tuning component can be directly welded on the metal frame antenna component and the metal component through the welding areas, the connecting structure is simple, the occupied space is small, and the miniaturization design of electronic equipment is facilitated. Meanwhile, the welding area is connected to the metal frame antenna component and the metal component in an adhesive mode, so that the tuning component can be connected to the metal frame antenna component and the metal component more firmly.
Referring to fig. 8 to 10, fig. 8 is a top view of a tuning component in an electronic device according to an embodiment of the present application, fig. 9 is a cross-sectional view at A-A in fig. 8, and fig. 10 is a cross-sectional view at B-B in fig. 8. The tuning part 3 comprises a reinforcing layer 33, a metal layer 32 and an oxidation resistant layer 31 which are arranged in a stacked manner, the reinforcing layer 33 is connected to one side of the metal layer 32 facing the metal frame antenna part 1 and the metal part 2 in an adhering manner, the oxidation resistant layer 31 is connected to one side of the metal layer 32 facing away from the reinforcing layer 33 in an adhering manner, so that oxidation of the metal layer 32 exposed in the air is prevented through the oxidation resistant layer 31, and the reliability of the electronic equipment is improved through the reinforcing layer 33. For example, when the electronic device is dropped, the metal layer of the tuning component may be cracked or locally deformed, and by providing the reinforcing layer on the surface of the metal layer, the anti-stretching capability of the reinforcing layer may improve the reliability of the metal layer. In the present embodiment, the reinforcing layer 33 is adhered to one side of the metal layer 32 by the self-adhesive tape 34, and the oxidation-resistant layer 31 is adhered to one side of the metal layer 32 facing away from the reinforcing layer 33 by the self-adhesive tape 34.
Further, the two welding areas 3b are further adhered to the metal frame antenna component 1 and the metal component 2 through the insulating double faced adhesive tape 4, that is, one side of the welding area 3b facing the metal frame antenna component 1 is adhered and fixed to the metal frame antenna component 1, and the other side of the welding area 3b facing the metal component 2 is adhered and fixed to the metal component 2. In this embodiment, the two lands 3b are bonded to the metal frame antenna member 1 and the metal member 2, respectively, so that the connection between the tuning member 3 and the metal frame antenna member 1 and the metal member 2 is more stable.
In some embodiments, the anti-oxidation layer 31 may be a polyester film (Mylar) or an ink, and the thickness of the anti-oxidation layer 31 may be any thickness according to different usage requirements, for example, the thickness of the anti-oxidation layer 31 may be 0.01um. The metal layer 32 may be made of copper foil, aluminum foil, silver foil, gold foil, etc., and the thickness of the metal layer 32 may be any thickness according to different requirements, for example, the thickness of a conventional copper foil may be 18um or 27um. The material of the reinforcing layer 33 may be Polyimide (PI), mylar (Mylar), glass fiber cloth (FR 4), etc., and the thickness of the reinforcing layer 33 may be any thickness according to different requirements, for example, the thickness of the reinforcing layer 33 may be 0.01um. The thickness of the insulating double-sided tape 4 may be 0.01um.
In some embodiments, the reinforcing layer may not be provided, and the reinforcing layer may be set according to the actual use condition in the whole system. If the reinforcing layer is arranged, the welding area of the tuning part can be directly adhered to the metal frame antenna part and the metal part through the reinforcing layer because the reinforcing layer is provided with the back adhesive, and if the reinforcing layer is not arranged, the back adhesive layer can be arranged, and the welding area of the tuning part can be adhered to the metal frame antenna part and the metal part through the back adhesive layer.
With continued reference to fig. 9, the bonding pad 3b is provided with a bonding site 3c, where the surface of the metal layer 32 facing the oxidation-resistant layer 31 can be exposed to the outside of the oxidation-resistant layer 31 through the bonding site 3c, and the surface of the metal layer 32 facing the reinforcing layer 33 can be exposed to the outside of the reinforcing layer 33 through the bonding site 3c, so that the bonding tool 6 can be extended from the bonding site 3c to perform a bonding operation, so that the metal layer 32 at the bonding site 3c is bonded to the metal bezel antenna component 1 and the metal component 2, and the bonding effect is improved.
With continued reference to fig. 8, each of the lands 3b is provided with a plurality of lands 3c, and the plurality of lands 3c are spaced apart from each other in the longitudinal extension direction (Y direction in fig. 8) of the land 3b, and each of the lands 3c is capable of welding with the metal frame antenna member 1 and the metal member 2. In this embodiment, the welding areas 3b are provided with a plurality of welding positions 3c, and the metal layers 32 at the welding areas 3b are welded with the metal frame antenna component 1 and the metal component 2, so that the connection between the tuning component 3 and the metal frame antenna component 1 and the connection between the tuning component and the metal component 2 are more stable, and the electrical connection stability between the tuning component and the metal frame antenna component and the electrical connection stability between the tuning component and the metal component are ensured.
In this embodiment, the equivalent device region 3a and the bonding region 3b are integrally disposed, that is, the equivalent device region 3a and the bonding region 3b each include the reinforcing layer 33, the metal layer 32 and the oxidation resistant layer 31 which are stacked, and the equivalent device region 3a and the bonding region 3b are different in that the bonding region 3b needs to be provided with the bonding site 3c, and the equivalent device region 3a does not need to be provided with the bonding site.
In the present embodiment, the welding area 3b is welded to the same side of the metal frame antenna member 1 and the metal member 2 by ultrasonic welding. It will be appreciated that in other embodiments, spot welds, laser filler welds, etc. may be used to weld the weld zone to the metal bezel antenna component and the metal component.
The metal layer of the equivalent device region 3a may be made single or multi-layered as desired, and in some embodiments the equivalent device region 3a can be equivalent to a capacitance or inductance. When the equivalent device area 3 is equivalent to a capacitor, the tuning component 3 further comprises a dielectric layer, the equivalent device area 3a comprises at least two metal layers, and the dielectric layer is located between the metal layers, so that each metal layer and a medium sandwiched between the metal layers form a large capacitor, and the capacitance value of the capacitor of the equivalent device area can be calculated according to the following plate capacitance calculation formula.
Wherein, C is capacitance value of the capacitor, epsilon is dielectric constant, namely dielectric constant of the substrate of the conventional flexible circuit board, S is area of the metal layer, D is interval between two metal layers, the capacitance value of the coupling capacitor can be adjusted by changing epsilon, S and D, for example, when epsilon is dielectric base material of the conventional flexible circuit board, D is minimum distance between two metal layers capable of forming the capacitor, S is 3mm x 5mm, the maximum capacitance value of the capacitor formed by the metal layer and the substrate is 10pf, and when epsilon is increased, the capacitance value of the capacitor can be increased or the area of the metal layer of the capacitor can be reduced.
Referring to fig. 11 to 12 (b), fig. 11 is a structural diagram of a metal layer, and fig. 12 (a) and 12 (b) are schematic structural diagrams of equivalent device regions in the metal layer according to other embodiments of the present application. When the equivalent device region 3a is equivalent to an inductance, the metal layer of the equivalent device region 3a may be set to be a straight line or a serpentine line, and the equivalent device region 3a may be equivalent to an inductance of 1nh to 8.8 nh.
According to different requirements, the metal layer structure of the equivalent device region can be processed in a die cutting, etching and other modes. For example, if the equivalent device region is a bi-metal layer (a high DK dielectric material may be overcoated between the two metal layers, where DK refers to the dielectric constant), a die cut process may be used that has relatively low sensitivity to dimensional processing, which may save costs. If the equivalent device region is equivalent, the requirement for line width uniformity is high, an etching process may be used. In addition, because the tuning component has simple structure, auxiliary material resources of a die-cutting factory can be used for welding, and a conventional FPC antenna (welding area lamination structure fine adjustment, namely, a welding part is led out) of the antenna factory can be used, namely, solid devices can be welded in an equivalent device area, and then dispensing is performed for protection.
Referring to fig. 13 and 14, fig. 13 is a connection manufacturing process of a metal frame antenna and a flexible circuit board in an electronic device in the prior art, and fig. 14 is a connection manufacturing process of a metal component and a tuning component in an electronic device provided by an embodiment of the present application, in the prior art, an antenna electrical connection structure has a process flow of manufacturing an FPC antenna by printing, exposing, etching, gold plating, peeling off a dry film, spraying, cutting an outer contour, adding reinforcement, and antenna detection, then welding the FPC antenna to a steel sheet, then pre-fixing a component of the FPC antenna and the steel sheet with a middle frame fixture, and finally welding and fixing the component of the FPC antenna and the steel sheet with the middle frame by a laser welding machine. The antenna electrical connection structure of the embodiment has the technical flow that firstly, a copper foil (tuning part) is manufactured through the processes of printing exposure, etching, lamination, outline cutting and antenna detection, then the copper foil is pre-fixed with a middle frame clamp, and then the copper foil is welded and fixed with the middle frame through an ultrasonic welding machine. Compared with the prior art, the copper foil (tuning part) of the application has different processing modes, is different from the resource field, and needs to be processed in an antenna factory.
In other embodiments, referring to fig. 15 to 17, fig. 15 is a connection structure diagram of a metal component and a tuning component in an electronic device according to another embodiment of the present application, fig. 16 is a cross-sectional view of fig. 15, and fig. 17 is a connection cross-sectional view of a metal component and a tuning component in an electronic device according to another embodiment of the present application. The tuning element 3 may also include a silver paste layer 35, where the silver paste layer 35 may be provided with one or more layers as required, and the silver paste layer 35 is typically manufactured by printing, drying, or the like, and in this case, the bonding area 3b of the tuning element 3 may be soldered to the metal bezel antenna element 1 and the metal element 2 by pad printing or spraying, so as to electrically connect the tuning element 3 with the metal bezel antenna element 1 and the metal element 2.
When the equivalent device area 3a is equivalent to an inductor, the silver paste layer of the equivalent device area 3a is set to be a silver paste trace, and the corresponding shape of the silver paste trace can be formed through a custom-shaped pressure head, namely, the required trace shape is directly formed through the custom-shaped pressure head, or the corresponding shape of the silver paste trace can be formed by carving redundant areas in the whole silver paste layer through laser carving, namely, the whole metal layer is formed firstly, and then, the unnecessary areas in the whole metal layer are carved through laser carving, so that the required trace shape is formed.
Referring to fig. 18, fig. 18 is a cross-sectional view illustrating connection between a metal component and a tuning component in an electronic device according to still another embodiment of the present application. When the equivalent device area 3a is equivalent to a capacitor, the tuning component 3 further includes a dielectric layer 36, the silver paste layers 35 are provided with multiple layers, and the dielectric layers 36 are provided between the silver paste layers 35, so that the silver paste layers 35 and the dielectric sandwiched between the silver paste layers 35 form a capacitor, wherein the dielectric can be a dielectric with a substrate, and in practical application, the dielectric constant and thickness of the dielectric layer 36 can be adjusted according to the required capacitance. In this embodiment, the tuning element 3 includes two silver paste layers 35 and one dielectric layer 36, where one silver paste layer 35 is welded to the metal frame antenna element 1, the other silver paste layer 35 is welded to the metal element 2, and the dielectric layer 36 is disposed between the two silver paste layers 35, that is, there is no direct connection point (no short-circuit point is allowed) between the two silver paste layers 35.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (17)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410122597.0A CN119629899A (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410122597.0A CN119629899A (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
| CN202311146409.XA CN116887551B (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
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| CN202311146409.XA Division CN116887551B (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
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| CN119629899A true CN119629899A (en) | 2025-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410122597.0A Pending CN119629899A (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
| CN202311146409.XA Active CN116887551B (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
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| CN202311146409.XA Active CN116887551B (en) | 2023-09-07 | 2023-09-07 | Electronic equipment |
Country Status (2)
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| CN (2) | CN119629899A (en) |
| WO (1) | WO2025050595A1 (en) |
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| CN119629899A (en) * | 2023-09-07 | 2025-03-14 | 荣耀终端股份有限公司 | Electronic equipment |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463404A (en) * | 1994-09-30 | 1995-10-31 | E-Systems, Inc. | Tuned microstrip antenna and method for tuning |
| US6163300A (en) * | 1997-08-07 | 2000-12-19 | Tokin Corporation | Multi-band antenna suitable for use in a mobile radio device |
| JP2007116064A (en) * | 2005-10-24 | 2007-05-10 | Nichicon Corp | Laminated solid electrolytic capacitor |
| CN102544727A (en) * | 2012-01-05 | 2012-07-04 | 广东通宇通讯股份有限公司 | An Inductive DC Grounding Structure of Antenna |
| KR102294019B1 (en) * | 2015-01-28 | 2021-08-26 | 삼성전자주식회사 | Antenna and electronic device having it |
| CN105680170A (en) * | 2016-02-01 | 2016-06-15 | 广东风华高新科技股份有限公司 | Ltcc antenna |
| CN108879067A (en) * | 2017-05-09 | 2018-11-23 | 华为技术有限公司 | All-metal frame antenna, MIMO antenna and terminal device |
| CN109165716B (en) * | 2018-10-12 | 2021-07-27 | 上海坤锐电子科技有限公司 | Radio frequency chip, electronic tag and identification method thereof |
| CN213660613U (en) * | 2020-10-19 | 2021-07-09 | 昆山睿翔讯通通信技术有限公司 | Cell-phone LTE antenna module based on lid crack behind metal |
| TWI739648B (en) * | 2020-11-03 | 2021-09-11 | 鈺邦科技股份有限公司 | Stacked solid electrolytic capacitor, integrated circuit product and electronic product |
| CN113054401B (en) * | 2021-04-07 | 2022-04-05 | 荣耀终端有限公司 | Electronic equipment |
| CN216055141U (en) * | 2021-05-26 | 2022-03-15 | 荣耀终端有限公司 | Electronic equipment with antenna electric connection structure |
| CN116013906A (en) * | 2022-12-26 | 2023-04-25 | 京东方科技集团股份有限公司 | Integrated capacitor, manufacturing method thereof, integrated circuit and display panel |
| CN219610740U (en) * | 2023-04-18 | 2023-08-29 | 北京小米移动软件有限公司 | Electronic equipment |
| CN119629899A (en) * | 2023-09-07 | 2025-03-14 | 荣耀终端股份有限公司 | Electronic equipment |
-
2023
- 2023-09-07 CN CN202410122597.0A patent/CN119629899A/en active Pending
- 2023-09-07 CN CN202311146409.XA patent/CN116887551B/en active Active
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- 2024-02-02 WO PCT/CN2024/075496 patent/WO2025050595A1/en unknown
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|---|---|
| WO2025050595A1 (en) | 2025-03-13 |
| CN116887551A (en) | 2023-10-13 |
| CN116887551B (en) | 2023-12-12 |
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